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Fig 2. Serial axial MR images of a 49-year-old woman (patient 1) including FLAIR (TR/TE/TI = 9000/110/2200 ms [A, B, D] or 9000/97/2300 ms [C]), DWI (TR/TE = 4000/137 ms [E, F, H] or 3100/119 ms [G]), and ADC maps on days 1, 13, 26, and 98 after the onset of neurologic symptoms (I-L). On FLAIR, high signal intensity in the bilateral amygdalae and hippocampi appears on day 1, peaks on day 13, and becomes less pronounced on day 26, disappearing on day 98 but leaving marked atrophy. High signal intensity on DWI is observed until day 26, whereas ADC value reduction is seen only on days 1 and 13.
